science
Instead of watering on a fixed schedule, smart farms bury devices in the field that tell the system exactly when the ground is getting too dry.
These buried devices measure soil moisture, giving smart farms real-time, precise data about exactly how much water is actually present around a crop's roots rather than relying on a fixed watering schedule that might waste water on already-damp soil or under-water crops during unexpected dry spells. This lets irrigation systems deliver water only when and where it is genuinely needed.
Wind speed is measured by anemometers used mainly for weather forecasting and turbine operation, not for judging how thirsty a field's soil is. The color of sunlight is not something farms typically monitor for irrigation decisions, since crop water needs depend on moisture levels in the ground, not the visual appearance of daylight.
When soil moisture data is combined with weather forecasts, smart irrigation systems can sharply cut water use in drought-prone regions while still protecting crop yields, a meaningful advantage as freshwater becomes an increasingly strained resource globally.
science
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